cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A289850 Primes of the form k!2 - 4, where k!2 is the double factorial number (A006882).

Table of values

n a(n)
1 11
2 101
3 941
4 10391
5 135131
6 2027021
7 654729071
8 7905853580621
9 221643095476699771871
10 79777941814291672401518892224505807820921910393015244140621
11 6462013286957625464523030270184970433494674741834234775390621

List of values

[11, 101, 941, 10391, 135131, 2027021, 654729071, 7905853580621, 221643095476699771871, 79777941814291672401518892224505807820921910393015244140621, 6462013286957625464523030270184970433494674741834234775390621]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.